From 7ae7f458f8ef1c2b4a0a4c818a0b08ab88826c19 Mon Sep 17 00:00:00 2001 From: Tal Shnaiderman Date: Mon, 28 Dec 2020 11:54:22 +0200 Subject: [PATCH] common/mlx5: add DevX PD allocation command Add a new DevX API mlx5_devx_cmd_alloc_pd() that creates a new protection domain (PD). Signed-off-by: Tal Shnaiderman Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_devx_cmds.c | 35 ++++++++++++++++++ drivers/common/mlx5/mlx5_devx_cmds.h | 2 ++ drivers/common/mlx5/mlx5_prm.h | 36 +++++++++++++++++++ .../common/mlx5/rte_common_mlx5_exports.def | 1 + drivers/common/mlx5/version.map | 1 + 5 files changed, 75 insertions(+) diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c index 36d3a421aa..12f51a940c 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.c +++ b/drivers/common/mlx5/mlx5_devx_cmds.c @@ -2055,3 +2055,38 @@ mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd) flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); return flow_hit_aso_obj; } + +/* + * Create PD using DevX API. + * + * @param[in] ctx + * Context returned from mlx5 open_device() glue function. + * + * @return + * The DevX object created, NULL otherwise and rte_errno is set. + */ +struct mlx5_devx_obj * +mlx5_devx_cmd_alloc_pd(void *ctx) +{ + struct mlx5_devx_obj *ppd = + mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY); + u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0}; + u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0}; + + if (!ppd) { + DRV_LOG(ERR, "Failed to allocate PD data."); + rte_errno = ENOMEM; + return NULL; + } + MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); + ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), + out, sizeof(out)); + if (!ppd->obj) { + mlx5_free(ppd); + DRV_LOG(ERR, "Failed to allocate PD Obj using DevX."); + rte_errno = errno; + return NULL; + } + ppd->id = MLX5_GET(alloc_pd_out, out, pd); + return ppd; +} diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h index 5056d86ed9..8277fdbc39 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.h +++ b/drivers/common/mlx5/mlx5_devx_cmds.h @@ -508,4 +508,6 @@ __rte_internal struct mlx5_devx_obj *mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd); +__rte_internal +struct mlx5_devx_obj *mlx5_devx_cmd_alloc_pd(void *ctx); #endif /* RTE_PMD_MLX5_DEVX_CMDS_H_ */ diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h index 585e9d1c05..4ddf865743 100644 --- a/drivers/common/mlx5/mlx5_prm.h +++ b/drivers/common/mlx5/mlx5_prm.h @@ -844,6 +844,8 @@ enum { MLX5_CMD_OP_SUSPEND_QP = 0x50F, MLX5_CMD_OP_RESUME_QP = 0x510, MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT = 0x754, + MLX5_CMD_OP_ALLOC_PD = 0x800, + MLX5_CMD_OP_DEALLOC_PD = 0x801, MLX5_CMD_OP_ACCESS_REGISTER = 0x805, MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN = 0x816, MLX5_CMD_OP_CREATE_TIR = 0x900, @@ -2772,6 +2774,40 @@ struct mlx5_ifc_init2init_qp_in_bits { u8 reserved_at_800[0x80]; }; +struct mlx5_ifc_dealloc_pd_out_bits { + u8 status[0x8]; + u8 reserved_0[0x18]; + u8 syndrome[0x20]; + u8 reserved_1[0x40]; +}; + +struct mlx5_ifc_dealloc_pd_in_bits { + u8 opcode[0x10]; + u8 reserved_0[0x10]; + u8 reserved_1[0x10]; + u8 op_mod[0x10]; + u8 reserved_2[0x8]; + u8 pd[0x18]; + u8 reserved_3[0x20]; +}; + +struct mlx5_ifc_alloc_pd_out_bits { + u8 status[0x8]; + u8 reserved_0[0x18]; + u8 syndrome[0x20]; + u8 reserved_1[0x8]; + u8 pd[0x18]; + u8 reserved_2[0x20]; +}; + +struct mlx5_ifc_alloc_pd_in_bits { + u8 opcode[0x10]; + u8 reserved_0[0x10]; + u8 reserved_1[0x10]; + u8 op_mod[0x10]; + u8 reserved_2[0x40]; +}; + #ifdef PEDANTIC #pragma GCC diagnostic ignored "-Wpedantic" #endif diff --git a/drivers/common/mlx5/rte_common_mlx5_exports.def b/drivers/common/mlx5/rte_common_mlx5_exports.def index be68f97d5a..9e29f41ccb 100644 --- a/drivers/common/mlx5/rte_common_mlx5_exports.def +++ b/drivers/common/mlx5/rte_common_mlx5_exports.def @@ -5,6 +5,7 @@ EXPORTS mlx5_create_mr_ext + mlx5_devx_cmd_alloc_pd mlx5_devx_cmd_create_cq mlx5_devx_cmd_create_flex_parser mlx5_devx_cmd_create_qp diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map index 17dd11f635..fb3952bbc6 100644 --- a/drivers/common/mlx5/version.map +++ b/drivers/common/mlx5/version.map @@ -10,6 +10,7 @@ INTERNAL { mlx5_dev_to_pci_addr; + mlx5_devx_cmd_alloc_pd; mlx5_devx_cmd_create_cq; mlx5_devx_cmd_create_flex_parser; mlx5_devx_cmd_create_qp; -- 2.20.1